How do identical twins occur?
A) One sperm cell fertilizes two eggs.
B) Two sperm cells fertilize one egg and the egg splits.
C) One sperm fertilizes one egg and the egg splits early in development.
D) Gene expression goes wrong and two embryos develop simultaneously.
E) It's hereditary.
Correct Answer:
Verified
Q30: What triggers the process of labor and
Q31: Humans are born much less well developed
Q32: What are the stages of labor and
Q33: When "water breaks" in the early stages
Q34: About what percentage of births are twins?
A)
Q36: What is the difference between fraternal twins
Q37: Under what circumstances might identical twins be
Q38: According to your text, about what percentage
Q39: What typically causes a miscarriage?
A) Genetic or
Q40: Most conjoined twins survive. True or False?
A)
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents